/*
 * Copyright 2007 Rob Nielsen
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * 	http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.googlecode.proxymatic.apps.factory;

public interface InstanceProvider {
    InstanceProvider NONE = new InstanceProvider() {
        public boolean containsInstance(Class targetClass) {
            return false;
        }

        public <T> T getInstance(Class<T> targetClass) {
            throw new UnsupportedOperationException();
        }
    };

    boolean containsInstance(Class targetClass);

    <T> T getInstance(Class<T> targetClass);
}
